[time-nuts] Spectracom 8170 is sync'ed to wwvb. Nice to see it again

Max Robinson max at maxsmusicplace.com
Sun Jun 16 00:11:23 EDT 2013

Do the bits coded by carrier amplitude drops correspond to bits coded by 
phase changes?  As I watched the video I was trying to listen for the 
amplitude changes and watch the scope pattern but I think there were times 
when there was no correlation.


Max.  K 4 O DS.

Email: max at maxsmusicplace.com

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----- Original Message ----- 
From: "paul swed" <paulswedb at gmail.com>
To: "Time-nuts" <time-nuts at febo.com>; "paul swed" <paulswedb at gmail.com>
Sent: Saturday, June 15, 2013 10:11 PM
Subject: [time-nuts] Spectracom 8170 is sync'ed to wwvb. Nice to see it 

> As I mentioned earlier. Simply built up a AM rcvr using a MSA8160 clock
> chip and then a inverter clock oscillator with a 60 Khz xtal and some and
> gates. The spectracom came right up immediately locked the VCO and then
> decoded time. Sweet.
> Cost sub $10.
> Will chicken scratch a drawing sometime tomorrow and share out. Notes are 
> a
> bit messy.
> Regards
> Paul
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